One notable “barbarian” group would be the Berbers https://en.wikipedia.org/wiki/Berbers https://en.wikipedia.org/wiki/Berbers whose name might actually be deri

One notable “barbarian” group would be the Berbers https://en.wikipedia.org/wiki/Berbers https://en.wikipedia.org/wiki/Berbers whose name might actually be derived from the Greek word for barbarian.